{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Laboratory instructions for fire assays of gold, silver, and lead. Mining 107 a-b-","author_name":"Walter S Morley","thumbnail_url":"https://www.ebooknetworking.net/books/117/770/big1177700859.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1177700859.html\">Laboratory instructions for fire assays of gold, silver, and lead. Mining 107 a-b-</a>","width":400,"height":300}